Information on working terriers, dogs, natural history, hunting, and the environment, with occasional political commentary as I see fit. This web log is associated with the Terrierman.com web site.
Saturday, September 01, 2018
Vaccines Work
In 1980, only 2 out of 10 one-year-olds were vaccinated against polio. Globally we had around 350,000 paralytic polio cases every year.
No comments:
Post a Comment